[INFO] updating cached repository golddranks/libc_regression_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/golddranks/libc_regression_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/golddranks/libc_regression_test" "work/ex/beta-1.38-1/sources/1.37.0/gh/golddranks/libc_regression_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/golddranks/libc_regression_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/golddranks/libc_regression_test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/golddranks/libc_regression_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/golddranks/libc_regression_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b0e8a106db90d06546eebc5188527ff9a174f73
[INFO] sha for GitHub repo golddranks/libc_regression_test: 3b0e8a106db90d06546eebc5188527ff9a174f73
[INFO] validating manifest of golddranks/libc_regression_test on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of golddranks/libc_regression_test on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing golddranks/libc_regression_test
[INFO] finished frobbing golddranks/libc_regression_test
[INFO] frobbed toml for golddranks/libc_regression_test written to work/ex/beta-1.38-1/sources/1.37.0/gh/golddranks/libc_regression_test/Cargo.toml
[INFO] started frobbing golddranks/libc_regression_test
[INFO] finished frobbing golddranks/libc_regression_test
[INFO] frobbed toml for golddranks/libc_regression_test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/golddranks/libc_regression_test/Cargo.toml
[INFO] crate golddranks/libc_regression_test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing golddranks/libc_regression_test against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/golddranks/libc_regression_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2238e362854719f007251124e441199d50c4e37d65a9978b0359beb480a8404c
[INFO] running `"docker" "start" "-a" "2238e362854719f007251124e441199d50c4e37d65a9978b0359beb480a8404c"`
[INFO] [stderr]    Compiling libc_regression_test v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "2238e362854719f007251124e441199d50c4e37d65a9978b0359beb480a8404c"`
[INFO] running `"docker" "rm" "-f" "2238e362854719f007251124e441199d50c4e37d65a9978b0359beb480a8404c"`
[INFO] [stdout] 2238e362854719f007251124e441199d50c4e37d65a9978b0359beb480a8404c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/golddranks/libc_regression_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8ee69c51abf7139fbc024f140ae70ced01497caf0d2b48b1b9614e6f7d46f18a
[INFO] running `"docker" "start" "-a" "8ee69c51abf7139fbc024f140ae70ced01497caf0d2b48b1b9614e6f7d46f18a"`
[INFO] [stderr]    Compiling libc_regression_test v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "8ee69c51abf7139fbc024f140ae70ced01497caf0d2b48b1b9614e6f7d46f18a"`
[INFO] running `"docker" "rm" "-f" "8ee69c51abf7139fbc024f140ae70ced01497caf0d2b48b1b9614e6f7d46f18a"`
[INFO] [stdout] 8ee69c51abf7139fbc024f140ae70ced01497caf0d2b48b1b9614e6f7d46f18a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/golddranks/libc_regression_test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 44790cfdc0ea5273b21615727d666044063055aeccf64deb1b7ddd212e91fcdc
[INFO] running `"docker" "start" "-a" "44790cfdc0ea5273b21615727d666044063055aeccf64deb1b7ddd212e91fcdc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libc_regression_test-543d94d61e5c56f6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "44790cfdc0ea5273b21615727d666044063055aeccf64deb1b7ddd212e91fcdc"`
[INFO] running `"docker" "rm" "-f" "44790cfdc0ea5273b21615727d666044063055aeccf64deb1b7ddd212e91fcdc"`
[INFO] [stdout] 44790cfdc0ea5273b21615727d666044063055aeccf64deb1b7ddd212e91fcdc